subject_ss:"Suchmaschine / Journalismus / Aufsatzsammlung"
classification_ss:"05.20 Kommunikation und Gesellschaft"
classification_ss:"KNZ (PB)"
year_i:[2000 TO 2010}
type_ss:"s"
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm